Afshan Azad - Padma Patil
Tiana Benjamin - Angelina Johnson
Shefali Chowdhury - Parvati Patil
Alfred Enoch - Dean Thomas
Tom Felton - Draco Malfoy
Rupert Grint - Ron Weasley
Joshua Herdman - Gregory Goyle
Katie Leung - Cho Chang
Matthew Lewis - Neville Longbottom
Evanna Lynch - Luna Lovegood
Devon Murray - Seamus Finnegan
James Phelps - Fred Weasley
Oliver Phelps - George Weasley
Daniel Radcliffe - Harry Potter
Nick Shim - Zacharias Smith
Emma Watson - Hermione Granger
Jamie Waylett - Vincent Crabbe
Bonnie Wright - Ginny Weasley

Roxfort

David Bradley - Argus Filch
Apple Brook - Wilhelmina Grubbly-Plank

Robbie Coltrane - Rubeus Hagrid

Warwick Davis - Filius Flitwick

Michael Gambon - Albus Dumbledore

Alan Rickman - Severus Snape

Maggie Smith - Professor McGonagall

Imelda Staunton - Dolores Umbridge

Egyéb szereplők

Helena Carter - Bellatrix Lestrange
Ralph Fiennes - Lord Voldemort
Brendan Gleeson - Alastor "Mad-Eye" Moody

Richard Griffiths - Uncle Vernon

Robert Hardy - Cornelius Fudge

George Harris - Kingsley Shacklebolt

Alec Hopkins - Young Severus Snape

Charles Hughes - Young Peter Pettigrew

Kathryn Hunter - Arabella Figg

Jason Issacs - Lucius Malfoy

Robbie Jarvis - Young James Potter
Richard Leaf - Auror Dawlish
Richard Macklin – Malcolm

Harry Melling - Dudley Dursley

Jim McManus - Aberforth Dumbledore
Gary Oldman - Sirius Black
Chris Rankin - Percy Weasley
Fiona Shaw - Aunt Petunia
Susie Shinner - Young Lily Potter